I've been traveling all day
我整整一天都在赶路。
While he had originally traveled in order to study, traveling had become an end in itself.
尽管他原本是为了学习而旅行，但旅行过程本身也是一种享受。
By a strange coincidence we happened to be traveling on the same bus.
巧得出奇，我们正好坐同一辆公共汽车。
He is a traveling salesman.
他是一个巡回推销员。
Larry was traveling along 165 north after delivering to one of his customers ．
拉里在把货物交付给顾客后，正沿着165号公路向北行驶。